Black Opal
Black Opal, Australia, position #1, (stone in ring approximately 10 cts). Photo © Joel E. Arem, PhD, FGA. Used with permission.
Article: Opal Stones and Gems: Value, Price, and Jewelry Information
Credit: Joel E
Gemstone | Black Opal, Opal Stone, Precious Opal |
Natural or man made | Natural |
Origin | Australia |
Carat Weight | <i class="fa fa-square-o facet-search-color-swatch" style="color:#FFFFFF;-webkit-text-stroke-width:1px;-webkit-text-stroke-color:black;"></i> Colorless |
Jewelry type | Ring |
Gem State | Cabochon |
Color | Black |
Transparency | Opaque |
Photo phenomena | Play of Color |